Walker 273-10011 Exhaust Gas Temperature (EGT) Sensor

Walker 273-10011 Exhaust Gas Temperature Sensor

Walker Products 273-10011 is an exhaust gas temperature (EGT) sensor for diesel emission control systems. It monitors exhaust heat at the exhaust stream and supports accurate engine management on select Chevrolet Express, Silverado HD, GMC Savana, and Sierra HD applications.

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on OEM-level fit and specification control. The Walker Products line includes engine management parts built for direct replacement service, and this sensor follows that approach for diesel exhaust monitoring applications.

Key Features

• Exhaust gas temperature (EGT) sensor for emission control systems
• Mounts at the exhaust with a 14.0 mm thread diameter
• Black oval female connector with 2 terminals
• 2-wire design with blade terminals
• 629.0 wiring harness length
• Direct-fit replacement under Walker Products part number 273-10011
• Cross-reference: Dorman OE Solutions 904-708

Detailed Description

This Walker EGT sensor is used to measure exhaust temperature data that the vehicle’s control system relies on for diesel aftertreatment and engine protection strategies. It is listed for 2010-2016 Chevrolet Express 2500 and Express 3500, 2010-2016 GMC Savana 2500 and Savana 3500, plus select Chevrolet Silverado HD and GMC Sierra HD rear sensor applications. If you are searching for a Walker 273-10011 replacement for a Chevrolet Silverado 2500 HD rear sensor or a GMC Sierra 3500 HD rear exhaust sensor, this part number is the relevant OE-style option.

What It Helps Address

• Fault codes related to exhaust gas temperature sensor performance
• Incorrect exhaust temperature readings in diesel emission control systems
• Aftertreatment monitoring issues on rear sensor applications
• Sensor signal problems caused by worn or failed exhaust temperature sensing components
• Driveability concerns tied to inaccurate exhaust heat data

Installation Notes and Tips

Install at the exhaust location specified for the vehicle application. Verify connector shape, terminal type, thread diameter, and harness length before installation to confirm proper routing and fit. For fitment, this part is listed for 2010-2016 Chevrolet Express 2500 and Express 3500, 2010-2016 GMC Savana 2500 and Savana 3500, and rear-position applications on 2011-2016 Chevrolet Silverado HD and GMC Sierra HD models. Always compare the original sensor and connector style before replacement.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with in-house manufacturing, product management, and engineering support used to maintain part accuracy and application coverage.